source: trunk/src/gui/graphicsview/qgraphicslayout_p.h@ 949

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#ifndef QGRAPHICSLAYOUT_P_H
#define QGRAPHICSLAYOUT_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of other Qt classes.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <QtCore/qglobal.h>

#if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW

#include "qgraphicslayout.h"
#include "qgraphicslayoutitem_p.h"
#include <QtGui/qstyle.h>
#include <QtGui/qwidget.h>
#include <QtGui/qstyleoption.h>

QT_BEGIN_NAMESPACE

class QGraphicsLayoutItem;
class QGraphicsWidget;

#ifdef QT_DEBUG
inline bool qt_graphicsLayoutDebug()
{
    static int checked_env = -1;
    if(checked_env == -1)
        checked_env = !!qgetenv("QT_GRAPHICSLAYOUT_DEBUG").toInt();
    return checked_env;
}
#endif


class QLayoutStyleInfo
{
public:
    inline QLayoutStyleInfo() { invalidate(); }
    inline QLayoutStyleInfo(QStyle *style, QWidget *widget)
        : m_valid(true), m_style(style), m_widget(widget) 
    {
        Q_ASSERT(style);
        if (widget) //###